Charities United States Science & Technology Climateworks Foundation
Climateworks Foundation logo

Climateworks Foundation

To end the climate crisis by amplifying the power of philanthropy.

Science & Technology San Francisco, CA EIN 262303250 · IRS Sign up to see website
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74
Integrity Assessment
Strong transparency
74/100 · methodology

About Climateworks Foundation

ClimateWorks is a catalyst for accelerating climate progress, driving bold solutions that benefit people and the planet. We connect funders and implementing organizations worldwide to create and scale transformative solutions across sectors and geographies, achieving faster, greater impact together.

Founded
Headquarters
San Francisco, CA
Foundation type
Publicly-supported charity (509(a)(2))
NTEE code
U12
IRS subsection
501(c)(03)
Ruling date
Size
major

Verified certifications

Confirmed against the issuing authority - not self-reported.

IRS Tax-Deductible since 2009

Mission

To end the climate crisis by amplifying the power of philanthropy.

Focus areas & reach

· What they work on and where
Science & Technology · NTEE U12
Cause tags
SDG alignment The 17 UN Sustainable Development Goals (SDGs) are the global agenda for ending poverty, protecting the planet, and ensuring prosperity by 2030. We tag each charity to the goals its work advances.
SDG 9 SDG 9 · Industry, Innovation and Infrastructure Build resilient infrastructure, promote inclusive industrialization, and foster innovation.

How it stacks up against peers

· vs. 8 similar science & technology in United States
Program spending This charity: 0%
Peer average: 55%
CEO comp as % of revenue This charity: 0.15%
Peer average: 0.48%
Integrity Assessment This charity: 74
Peer average: 90

Red flags

· All clear
IRS revocation history
OFAC / EU / UN sanctions
Open investigations
Governance scandals
Related-party deals
Excessive exec comp

Where every $1 goes

Program expenses$0.00 ($298.0 million)

Common questions

· Auto-generated from filings + methodology

Climateworks Foundation is a registered science & technology nonprofit based in San Francisco, CA, United States. It is registered with the Internal Revenue Service (IRS). It was founded in 2008 and has been operating for 18 years. Its EIN is 262303250. It has a GiveRadar Integrity Assessment of 74/100 (Strong transparency), indicating well-documented governance, financials, and contact details. This is below the average of 90/100 for science & technology charities in United States. The organization reports $351M in annual revenue. 118 officers and directors are publicly disclosed. No red flags have been detected.

Climateworks Foundation has a GiveRadar Integrity Assessment of 74/100. This score combines five components: Registration (20 pts), Financial Transparency (30 pts), Governance (20 pts), Contact Availability (10 pts), and Data Recency (20 pts), with negative adjustments for any red flags. A score of 74 ('Strong transparency') reflects well-documented governance, recent financials, named leadership, and working contact details. For comparison, the average integrity assessment for science & technology charities in United States is 90/100.

Climateworks Foundation is located in San Francisco, CA, United States. The organization was established in 2008 and has been active for 18 years.

Based on official tax filings, Climateworks Foundation has $351M in annual revenue. It allocates 0% of expenses to programs and services. This is below the average of 55% for science & technology charities in United States. Its revenue is significantly above the peer average of $14M. Create a free GiveRadar account to view the complete financial breakdown with year-over-year trends.

Climateworks Foundation is classified as a Science & Technology organization, registered in United States. It operates as a Publicly-supported charity (509(a)(2)). By size, it is categorized as a major organization. It has $351M in annual revenue. The organization has 118 disclosed officers and directors.

No red flags have been detected for Climateworks Foundation. GiveRadar automatically screens charities for concerning patterns including high executive compensation, low program spending, and missing financial filings. Based on available official data, no issues have been identified.

Climateworks Foundation has a GiveRadar Integrity Assessment of 74/100 (Strong transparency) and no red flags have been detected, which suggests it is a well-documented organization. It is regulated by the IRS. 0% of expenses go to programs. The peer average is 55%. Visit the Climateworks Foundation profile on GiveRadar for full details before deciding. GiveRadar provides data for research purposes and does not endorse any organization. Always do your own due diligence.

ClimateWorks is a catalyst for accelerating climate progress, driving bold solutions that benefit people and the planet. We connect funders and implementing organizations worldwide to create and scale transformative solutions across sectors and geographies, achieving faster, greater impact together. Climateworks Foundation is classified as a science & technology organization registered in United States. The organization was founded in 2008.

Among science & technology charities registered in United States: Climateworks Foundation's GiveRadar Integrity Assessment of 74/100 is below the peer average of 90/100. It allocates 0% of expenses to programs, below the peer average of 55%. Its annual revenue of $351M is well above the peer average of $14M.

Yes, donations to Climateworks Foundation are generally tax-deductible in the United States. Climateworks Foundation is a 501(c)(3) tax-exempt organization. Its EIN is 262303250, which you can use for tax filing purposes. Donors can typically deduct contributions on their federal income tax return if they itemize deductions. Consult a tax professional for guidance specific to your situation.

Verified against 7 official sources, last refreshed .

Annual revenue
$100M-$1B
0% to programs
Source: IRS 990 (FY2024) why this matters
Unlock exact figures

Filing history

10 years on file from IRS 990 (FY2024): revenue, expenses, program spending, assets, and liabilities by fiscal year.

Years on record: FY2024, FY2023, FY2022, FY2021, FY2020, FY2019, FY2018, FY2017, FY2016, FY2015.
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Taxes

Tax-deductibility for donors

Donations may be tax-deductible for residents of United States under local rules. Confirm with the charity directly.

Always confirm tax treatment with the charity directly or your tax advisor before donating.

Leadership

HE
Helen Mountford
President And CEO

Officers & trustees (25)

Source: Public filings

AN
Antha W•••••••
BOARD DIRECTOR
AN
Anthony E•••••
SR DIRECTOR, TRANSPORTATION
AR
Arunabha G••••
BOARD DIRECTOR
BR
Brian M••••••••
CFO, TREASURER
CA
Caio K•••••••••
BOARD DIRECTOR
CA
Carlos L••••
BOARD DIRECTOR
CH
Charles M••••••
VP, PROGRAMS
CH
Charlotte P•••
PRESIDENT & CEO THROUGH 4/2021
CH
Chris D••••••
ACTING PRESIDENT & CEO START 5/2021
FR
Franklin M O•• J•
BOARD CHAIR
GR
Gretchen R••
SECRETARY
HE
Helen M••••••••
PRESIDENT AND CEO
IL
Illyasha P••••
CHIEF OF EQUITY (THROUGH 8/2023)
IL
Ilmi G••••••
SR DIR, SUSTAINABLE FIN THRU 6/2022
IR
Irene K••
VP, DEVELOPMENT
JA
Jamshyd G•••••
BOARD DIRECTOR
JA
Jan D•••••••••
SR. DIRECTOR, CARBON DIOXIDE REMOVAL
JA
Jason A•••••••
SENIOR PROGRAM DIRECTOR
JO
John D P••••••
BOARD CHAIR 5/2022 - 9/2022
KR
Kristian P•••••
BOARD DIRECTOR
KY
Kyung-Ah P•••
BOARD DIRECTOR
LA
Larry K•••••
BOARD DIRECTOR
LI
Lindsey A••••
EXECUTIVE DIRECTOR, CLUA
MA
Makeeba B•••••
CHIEF OF EQUITY, JUSTICE AND CULTURE
MA
Mary R••••••
SR. DIRECTOR, FUNDER COLLABORATIONS
Full names, contact details & compensation

Free with an account.

Unlock

Latest news

From global news sources

10 articles found

From global news sources

Sentiment

Neutral

Activity timeline

Filings and press mentions, merged

Philanthropy and the future of food security - Atlantic Council
Apr 2026
www.atlanticcouncil.org
ASEAN unites to shape inclusive pathways for clean manufacturing - Climateworks Centre
Mar 2026
climateworkscentre.org
New buildings in Northern Australia | publications - Climateworks Centre
Mar 2026
climateworkscentre.org
ClimateWorks Foundation is Hiring a Communications Manager – March 2026 (Remote) - Global South Opportunities
Mar 2026
www.globalsouthopportunities.com
UN Launches Energy Transition for SE Asia Growth - Mirage News
Feb 2026
www.miragenews.com
Ocean Climate Dialogue focuses on advancing effective blue carbon governance - Climateworks Centre
Feb 2026
climateworkscentre.org
Net zero trends for businesses in 2026 - Climateworks Centre
Feb 2026
climateworkscentre.org
Building our future event series – The business of net zero - Climateworks Centre
Feb 2026
climateworkscentre.org
Climateworks Centre decarbonisation scenarios 2023: About the modelling - Climateworks Centre
Feb 2026
climateworkscentre.org
Sea of opportunity: The role of ocean mitigation in Indonesia’s decarbonisation - Climateworks Centre
Jan 2026
climateworkscentre.org
Form filed
$350.6M revenue
FY2024
IRS_990
Form filed
$266.5M revenue
FY2023
IRS_990
Form filed
$330.5M revenue
FY2022
IRS_990
Form filed
$366.2M revenue
FY2021
IRS_990
Form filed
$178.8M revenue
FY2020
IRS_990
Form filed
$93.6M revenue
FY2019
PROPUBLICA
Form filed
$162.8M revenue
FY2018
PROPUBLICA
Form filed
$100.1M revenue
FY2017
PROPUBLICA
Form filed
$49.8M revenue
FY2016
PROPUBLICA
Form filed
$53.9M revenue
FY2015
PROPUBLICA

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Peer charities

Other science & technology in United States, by integrity assessment

Charity Score Revenue Program %
Climateworks Foundation This page 74 $350.6 million 0%
Technology Student Association 93 $229,263 97%
Humanity Plus Inc 90 $263,171 89%
Society for Literature and Science Inc 90 $138,215 67%
Bioinnovations Institute 89 $1.3 million 91%
Collaborative for Leadership in Ayres Sensory Integration 89 $1.8 million -
Alfred e Mann Foundation for Scientific Research 89 $18.1 million -
Citizen Science Foundation 89 $551,176 95%
Blue Marble Space 89 $5.1 million -

Sources and verification

Refreshed

Registration and legal identity
Internal Revenue Service (IRS) - Tax Exempt Organization Search
Financial filings
IRS Form 990 filings - Fiscal year 2024 most recent on file.
Officers and trustees
Internal Revenue Service (IRS) - Tax Exempt Organization Search - 118 disclosed in the public registry.
News and media coverage
GDELT Project + Google News
Supplementary verification
ProPublica Nonprofit Explorer
Supplementary verification
Wikidata structured data
Supplementary verification
Charity Navigator

Data freshness

Last updated
May 27, 2026
Profile completeness
100%

What we don't know

Honest gaps - our score reflects transparency, not impact

Programs & projects
No named programs listed by the charity
Operating reach
Countries where programs run not specified

Methodology

GiveRadar combines public registry filings, ProPublica Nonprofit Explorer, Charity Navigator, GuideStar, and news archives into a single 0-100 integrity assessment. We don't take a cut of any donation, ever.

Read full methodology

Quick facts about Climateworks Foundation

What is Climateworks Foundation?
Climateworks Foundation is a science & technology publicly-supported charity (509(a)(2)) based in San Francisco, United States. ClimateWorks is a catalyst for accelerating climate progress, driving bold solutions that benefit people and the planet. We connect funders and implementing organizations worldwide to create and scale transformative solutions across sectors and geographies, achieving faster, greater impact together.
When was Climateworks Foundation founded?
Climateworks Foundation was founded in 2008.
Who leads Climateworks Foundation?
Helen Mountford serves as President And CEO.
Where is Climateworks Foundation located?
Headquartered in San Francisco, United States.
What is Climateworks Foundation's annual budget?
Annual revenue for fiscal year 2024 is approximately $100M-$1B. 0% of expenses go to program services.
Is Climateworks Foundation trustworthy?
Climateworks Foundation has a GiveRadar Integrity Assessment of 74 out of 100 (Strong transparency). The score reflects public-data transparency: registration, financial disclosure, governance, contact details, and how recently data was refreshed. It does not measure program impact.
What is Climateworks Foundation's registration number?
IRS EIN: 262303250.
What is Climateworks Foundation's website?
http://www.climateworks.org